The Problems Identified in the Textbook as Leading to the Deterioration

The problems identified in the textbook as leading to the deterioration of the late Mayan states included all of the following EXCEPT:

A) Torrential downpours washed away the topsoil from the newly built hillside terraces.
B) The area experienced uncontrollable population growth, as was true in China.
C) The fertility of many fields decreased due to the depletion of nutrients in the topsoil.
D) Malnutrition began to reduce the labor force.